Demonstrations 21 - 40 of 936

Dissection of a Spherical Square into a Spherical LuneNew this month | Dissection of a Spherical Triangle into a SquareNew this month | Dissection of a Spherical Triangle into a Spherical LuneNew this month | ||

Orthogonal Projections of the Edges of a CubeNew this month | Monge Point of a TetrahedronNew this month | Three Planes in a TrihedronNew this month | Locus of Centers of SpheresNew this month | |

Inscribed and Circumscribed Spheres of a TetrahedronNew this month | Two Conditions for a Tetrahedron to Be OrthocentricNew this month | |||